CVE-2020-1436
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted fonts.For all systems except Windows 10, an attacker who successfully exploited the vulnerability could execute code remotely, aka 'Windows…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted fonts.For all systems except Windows 10, an attacker who successfully exploited the vulnerability could execute code remotely, aka 'Windows Font Library Remote Code Execution Vulnerability'.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 21.28% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019
- Source
- secure@microsoft.com
EPSS 21.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2020/08/25/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/08/25/5Mailing List, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1436Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-877/Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2020/08/25/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/08/25/5Mailing List, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1436Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-877/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.